Recent history has not been kind to the Ashaninka, the largest indigenous group in the Amazon rainforest. Through the years, its people been displaced, enslaved and even killed. Even today, their lands are at risk. But they continue to endure.

Spanish photographer Juan Manuel Castro Prieto has visited Peru 15 times since his first trip in 1990. His most recent project focuses on shamanism, which centers on the belief that nature – also called Pachamama, or Mother Earth – lives in every man.